The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 2003
Filed:
Jun. 06, 2000
Reiko Sato, Shinjuku-ku, JP;
Kaoru Hamada, Shinjuku-ku, JP;
Yoshihide Kimura, Shinjuku-ku, JP;
Takaichi Yamamoto, Ono, JP;
Hiroyuki Kawabata, Ono, JP;
Seiji Sugimori, Ono, JP;
Other;
Abstract
The present invention provides a thermally sensitive recording medium that possesses a thermally sensitive color developing layer containing colorless or pale colored basic leuco dye and an organic color developer as main components on a substrate, wherein said thermally sensitive recording medium contains at least one kind of an ultraviolet ray absorbent of aqueous emulsion type polymer composed of an emulsion copolymerized compound of (a) ultraviolet ray absorbing monomer, (b) vinyl compound monomer that can copolymerize with said monomer, (c) hydrophilic monomer and (d) reactive emulsifier.